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-rw-r--r--libraries/base/Prelude.hs5
1 files changed, 5 insertions, 0 deletions
diff --git a/libraries/base/Prelude.hs b/libraries/base/Prelude.hs
index f58cd17cd2..53414c95dc 100644
--- a/libraries/base/Prelude.hs
+++ b/libraries/base/Prelude.hs
@@ -72,6 +72,9 @@ module Prelude (
Monad((>>=), (>>), return, fail),
mapM, mapM_, sequence, sequence_, (=<<),
+ -- ** Traversals and Foldables
+ Foldable, Traversable,
+
-- ** Miscellaneous functions
id, const, (.), flip, ($), until,
asTypeOf, error, undefined,
@@ -140,7 +143,9 @@ import System.IO
import System.IO.Error
import Data.List
import Data.Either
+import Data.Foldable ( Foldable )
import Data.Maybe
+import Data.Traversable ( Traversable )
import Data.Tuple
import GHC.Base